| Items |
 PB44-3 Servobox Series Model PB44 1-Stage, 3 Ratio, and Standard Output Bearing Planetary Reducer Gearbox |
PB44-3N Servobox Series Model PB44 1-Stage, 3 Ratio, and Solid Output Shaft Bearing Planetary Reducer Gearbox |
PB44-4 Servobox Series Model PB44 1-Stage, 4 Ratio, and Standard Output Bearing Planetary Reducer Gearbox |
PB44-4N Servobox Series Model PB44 1-Stage, 4 Ratio, and Solid Output Shaft Bearing Planetary Reducer Gearbox |
PB44-5 Servobox Series Model PB44 1-Stage, 5 Ratio, and Standard Output Bearing Planetary Reducer Gearbox |
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| Description |
Quiet Operation Helical gears reduce vibration and noise. High Torque High output torque is compared to spur gear planetary gear reducers. High Efficiency Efficiency for 1-stage model exceeds 97%; 2-stage model exceeds 94%. |
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| Brands | Pelonis Technologies | |||||||||
| Model | 44 | |||||||||
| Ratio | 3 | 3 | 4 | 4 | 5 | |||||
| Output Bearing | Standard (Keyway) | Solid Output Shaft (No Keyway) | Standard (Keyway) | Solid Output Shaft (No Keyway) | Standard (Keyway) | |||||
| Stage | 1-Stage | |||||||||
| Dimension A1 | 50 mm | |||||||||
| Dimension A2 | 4.5 mm | |||||||||
| Dimension A3 | 13 mm | |||||||||
| Dimension A4 | 35 mm | |||||||||
| Dimension A5 | 5 mm | |||||||||
| Dimension A6 | M4 x P0.7 | |||||||||
| Dimension A7 | 5 mm | |||||||||
| Dimension A8 | 15 mm | |||||||||
| Dimension B1 | 44 mm | |||||||||
| Dimension B2 | 26 mm | |||||||||
| Dimension B3 | 5 mm | |||||||||
| Dimension B4 | 15 mm | |||||||||
| Dimension B5 | 20 mm | |||||||||
| Dimension B6 | 5 mm | |||||||||
| Dimension B7 | 95 mm | |||||||||
| Dimension C1 | 46 mm60 mm63 mm | |||||||||
| Dimension C2 | M3 M4 M5 | |||||||||
| Dimension C3 | 8 mm9 mm11 mm | |||||||||
| Dimension C4 | 26 mm30.5 mm | |||||||||
| Dimension C5 | 30 mm40 mm50 mm | |||||||||
| Dimension C6 | M4 x P0.7 | |||||||||
| Dimension C7 | 46 mm55 mm | |||||||||
| Dimension C8 | ||||||||||
| Rated Output Torque (Nominal Output Torque) (T2N) | 17 N·m | 17 N·m | 15 N·m | 15 N·m | 14 N·m | |||||
| Maximum Acceleration Torque (T2B) | 1.8 Times of Rated Output Torque | |||||||||
| Maximum Output Torque (Emergency Stop Torque) (T2NOT) | 3 Times of Rated Output Torque | |||||||||
| Rated Input Speed (n1N) | 3000 rpm | |||||||||
| Maximum Input Speed (n1B) | 6000 rpm | |||||||||
| Backlash | ≤ 8 arc·min | |||||||||
| Torsional Rigidity | 3 N·m/arc·min | |||||||||
| Maximum Radial Force (F2rB) | 360 N | |||||||||
| Maximum Axial Force (F2aB) | 180 N | |||||||||
| S5 Cycle Operation Service Life (LH) | >30000 hours | |||||||||
| S1 Continuous Operation Service Life (LH) | >15000 hours | |||||||||
| Efficiency (η) | ≥ 97 % | |||||||||
| Operating Temperature | -25 to +90 ºC | |||||||||
| Lubrication | Synthetic Grease | |||||||||
| Protection Class | Ingress Protection (IP65) | |||||||||
| Mounting Position | Any | |||||||||
| Noise Level | ≤ 56 dB | |||||||||
| Weight | 0.58 kg | |||||||||
| Weight Tolerance (±) | 3 % | |||||||||
| Mass Moments of Inertia | 0.03 kg·cm² | |||||||||
| Features |
Integrated Planetary Arm Bracket The planetary arm bracket and the output shaft are one-piece constructed to increase torsional rigidity and accuracy. Full Needle Roller Bearings Design The planetary gear transmission employs full needle roller bearings without a retainer to increase the contact surface. This greatly improves structural rigidity and service life. Collet Locking Mechanism The input-end and the motor are coupled through a collet locking mechanism. The mechanism is dynamically balanced to ensure concentricity and balance on the connection and has no backlash for power transmission while running at a high speed. One-Piece Helical Gear Box The gear box and internal ring are a one-piece construction design. The speed reduction mechanism employs helical gears that provide two times the meshing rate of teeth compared to regular spur gears. It operates very smoothly, has low noise, high output torque, and low backlash |
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